---
title: leftEye
framework: healthkit
role: symbol
role_heading: Instance Property
path: healthkit/hkglassesprescription/lefteye
---

# leftEye

The lens specification for the left eye.

## Declaration

```swift
@NSCopying var leftEye: HKGlassesLensSpecification? { get }
```

## See Also

### Accessing the glasses prescription data

- [rightEye](healthkit/hkglassesprescription/righteye.md)